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$75+ Cheap flights from Ontario to Raleigh (ONT - RDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Mar 16 — Mar 231
Sun 3/16
Sun 3/23
1 adult, Economy
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The best prices from Ontario to Raleigh-Durham are usually found in May or March, booked 78 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Ontario to Raleigh

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Raleigh (RDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(CheapOair)

One-way from

$75
(Trip.com)

Popular in

November

Cheapest in

May

Average price

$367
Provider with most accurate pricing for Ontario-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Raleigh-Durham flights.
Search Deals
From Ontario to Raleigh-Durham
Search Deals
One-way flight from Ontario to Raleigh-Durham
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Ontario to Raleigh

Cheapest flights from Ontario to Raleigh
Explore the most affordable flight options available from Ontario to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2025.

This CheapOair deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/712:59 amONT - RDU
1 stop12h 25mFrontier
Tue 4/155:25 pmRDU - ONT
1 stop9h 34mFrontier
Deal found 3/10$170
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:00 amONT - RDU
1 stop8h 31mDelta
Wed 4/166:50 pmRDU - ONT
1 stop7h 51mDelta
Deal found 3/10$331
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2610:40 pmONT - RDU
1 stop6h 45mAmerican Airlines
Thu 5/2912:50 pmRDU - ONT
2 stops8h 33mAmerican Airlines
Deal found 3/11$336
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:24 pmONT - RDU
1 stop8h 36mAlaska Airlines
Tue 5/67:20 amRDU - ONT
1 stop11h 12mAlaska Airlines
Deal found 3/10$355
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:39 pmONT - RDU
2 stops11h 57mUnited Airlines
Wed 4/166:00 amRDU - ONT
2 stops9h 38mUnited Airlines
Deal found 3/10$378
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3112:55 pmONT - RDU
2 stops9h 05mSouthwest
Thu 4/35:45 amRDU - ONT
1 stop11h 10mSouthwest
Deal found 3/9$398
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/3012:59 amONT - RDU
1 stop12h 27mMultiple Airlines
Thu 4/31:31 pmRDU - ONT
2 stops13h 28mMultiple Airlines
Deal found 3/9$452

Find flights from Ontario to Raleigh within your budget

Customize your flight search to find flights from Ontario to Raleigh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2025.

Fly from

Ontario

Fly to

Raleigh

Route

Depart

Return

Price

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Mon 4/7

12:59 am-4:24 pm

1 stop12h 25m

Raleigh-Durham

Tue 4/15

5:25 pm-11:59 pm

1 stop9h 34m

$170

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 4/2

6:00 am-5:31 pm

1 stop8h 31m

Raleigh-Durham

Wed 4/16

6:50 pm-11:41 pm

1 stop7h 51m

$331

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Mon 5/26

10:40 pm-8:25 am

1 stop6h 45m

Raleigh-Durham

Thu 5/29

12:50 pm-6:23 pm

2 stops8h 33m

$336

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 5/2

6:24 pm-6:00 am

1 stop8h 36m

Raleigh-Durham

Tue 5/6

7:20 am-3:32 pm

1 stop11h 12m

$355

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Mon 4/14

6:39 pm-9:36 am

2 stops11h 57m

Raleigh-Durham

Wed 4/16

6:00 am-12:38 pm

2 stops9h 38m

$378

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Mon 3/31

12:55 pm-1:00 am

2 stops9h 05m

Raleigh-Durham

Thu 4/3

5:45 am-1:55 pm

1 stop11h 10m

$398

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sun 3/30

12:59 am-4:26 pm

1 stop12h 27m

Raleigh-Durham

Thu 4/3

1:31 pm-11:59 pm

2 stops13h 28m

$452

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Tue 4/15

12:59 am-4:34 pm

1 stop12h 35m

$75

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 4/23

4:29 pm-6:00 am

1 stop10h 31m

$165

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 4/2

6:00 am-5:31 pm

1 stop8h 31m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 13 results
1
2

Compare providers for flights from Ontario to Raleigh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Raleigh in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Raleigh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Raleigh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Raleigh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Raleigh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Raleigh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Raleigh

Have a flexible travel schedule? Discover the best time to fly to Raleigh from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Raleigh

Get recent, data-driven insights about flights from Ontario to Raleigh including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Raleigh?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Raleigh. Price data was last updated on March 7, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Raleigh, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to Raleigh?

Currently, August is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $206). Flying from Ontario to Raleigh in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to RDU?

Find hourly flight availability from Ontario to Raleigh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 11, 2025.

It’s optimal to fly from Ontario to Raleigh in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Ontario to Raleigh?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Raleigh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Raleigh flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Raleigh by month

Plan your trip to Raleigh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Raleigh ranges from 2.9 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Raleigh when rainfall is around 2.9 in.

Temperature in Raleigh by month

Plan your trip to Raleigh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Raleigh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Raleigh. Reviews last updated March 11, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Ontario to Raleigh. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,297 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,297 reviews
Southwest
8.1
Very good
4,297 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,732 reviews
Southwest
8.1
Very good
4,297 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
7,966 reviews
Southwest
8.1
Very good
4,297 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,627 reviews
Southwest
8.1
Very good
4,297 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,297 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Raleigh round-trip?

    Frontier, at $170, was found to be the cheapest airline from Ontario to Raleigh.Alternate airlines to your destination round-trip include Delta and American Airlines. Frontier is priced at 60% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Raleigh one-way?

    $75 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $165 and $166, respectively.

  • Can I find deals for flights from Ontario to Raleigh that include hotel bookings?

    Yes. In addition to deals on Ontario to Raleigh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Raleigh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Raleigh.

  • Can I find deals for business class flights from Ontario to Raleigh?

    Yes. Cheapflights offers flight deals from Ontario to Raleigh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Raleigh?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $206). Flying from Ontario to Raleigh in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Morrisville
Dunn
Smithfield
Chapel Hill
Cary
Apex
Wilson
Garner
Wake Forest
Goldsboro
Oxford
Rocky Mount
Danville
Henderson

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Top 5 airlines flying from Ontario to Raleigh

Discover the top 5 airlines that operate flights from Ontario to Raleigh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$261FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$242Average$542FlexibilityNo cancel feeOn-time69%
DeltaCheapest$331Average$502FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$340Average$472FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$451FlexibilityNo cancel feeOn-time63%
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